Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 20, Problem 5TYU
Summary Introduction
To analyze:
The use of PCR (polymerase chain reaction) to analyze the patterns of gene expression.
Introduction:
The PCR is a technique to produce multiple copies of a particular genomic sequence. Gene expression can be studied by analyzing cDNA (complementary deoxyribonucleic acid) of a particular gene. This cDNA could be obtained and amplified using a variant of PCR known as real-time PCR.
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Transcription and Translation
1. What is the main function of transcription and translation? (2
marks)
2. How is transcription different in eukaryotic and prokaryotic
cells? (2 marks)
3. Explain the difference between pre-mRNA and post-transcript
mRNA. (2 marks)
4. What is the function of the following: (4 marks)
i. the cap
ii. spliceosome
iii. Poly A tail
iv. termination sequence
5. What are advantages to the wobble feature of the genetic
code? (2 marks)
6. Explain the difference between the: (3 marks)
i. A site & P site
ii. codon & anticodon
iii. gene expression and gene regulation
7. Explain how the stop codon allows for termination. (1 mark)
8. In your own words, summarize the process of translation. (2
marks)
In this activity you will research performance enhancers that affect the
endocrine system or nervous system. You will submit a 1 page paper on one
performance enhancer of your choice. Be sure to include:
the specific reason for use
the alleged results on improving performance
how it works
how it affect homeostasis and improves performance
any side-effects of this substance
Chapter 20 Solutions
Biological Science (6th Edition)
Ch. 20 - Prob. 1TYKCh. 20 - What is a plasmid? a. an organelle found in many...Ch. 20 - 3. Once the gene that causes Huntington disease...Ch. 20 - CAUTION The human genome size is 3 billion base...Ch. 20 - Prob. 5TYUCh. 20 - Prob. 6TYUCh. 20 - Prob. 7TYUCh. 20 - Prob. 8TYUCh. 20 - 9. Revolutionaries executed Nicholas II, the last...Ch. 20 - Prob. 10TYPSS
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